16665015163 has 2 divisors, whose sum is σ = 16665015164. Its totient is φ = 16665015162.

The previous prime is 16665015151. The next prime is 16665015193. The reversal of 16665015163 is 36151056661.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 16665015163 - 2²¹ = 16662918011 is a prime.

It is not a weakly prime, because it can be changed into another prime (16665015193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8332507581 + 8332507582.

It is an arithmetic number, because the mean of its divisors is an integer number (8332507582).

Almost surely, 2^16665015163 is an apocalyptic number.

16665015163 is a deficient number, since it is larger than the sum of its proper divisors (1).

16665015163 is an equidigital number, since it uses as much as digits as its factorization.

16665015163 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 97200, while the sum is 40.

The spelling of 16665015163 in words is "sixteen billion, six hundred sixty-five million, fifteen thousand, one hundred sixty-three".